core: reimplement logging using ndn-cxx's facility

Change-Id: Ifc7c5d70a61ad405dc1f1adfa522a2c0ad1586ab
Refs: #4580
diff --git a/daemon/fw/strategy.cpp b/daemon/fw/strategy.cpp
index 278e016..4dfe32e 100644
--- a/daemon/fw/strategy.cpp
+++ b/daemon/fw/strategy.cpp
@@ -27,13 +27,14 @@
 #include "forwarder.hpp"
 #include "core/logger.hpp"
 #include "core/random.hpp"
+
 #include <boost/range/adaptor/map.hpp>
 #include <boost/range/algorithm/copy.hpp>
 
 namespace nfd {
 namespace fw {
 
-NFD_LOG_INIT("Strategy");
+NFD_LOG_INIT(Strategy);
 
 Strategy::Registry&
 Strategy::getRegistry()